A.MARPOL Annex Ⅲ
B.MARPOL Annex Ⅵ
C.MARPOL Annex Ⅴ
D.MARPOL Annex Ⅳ
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A.an International Ship Security Certificate
B.an International Oil Pollution Certificate
C.a Safety Management Certificate
D.an International Ballast Water Management Certificate
A.the master and the chief engineer are unable to communicate effectively
B.serious corrosion on the hull
C.damaged sanitary pump
D.one page missing in the oil record book
A.one year
B.two years
C.four years
D.five years
A.Ring type
B.Fork type
C.Spade type
D.Push on pull off type
A.anaerobic bacteria
B.aerobic bacteria
C.air bubbles
D.disinfection chemicals
最新試題
The condensers located in various stages of a flash evaporator are cooled by（）
Thermostatic steam pressure reducing valves are used in the fuel oil service system to control the（）
Refrigerant entering the compressor of a refrigeration system should be in which of the following conditions?（）
Under MARPOL Code the ship to which it applies has to carry （）
One of the reasons that cause oil flowed from sludge outlet of a self-cleaning separator is（）
“Insufficiency of manning or insufficiency of certification of seafarers” is an identification of a（）
A purge recovery system is used in a centrifugal air conditioning or refrigeration system to （）
The treatment of the fuel oils involves storage, heating, filtering and（）
Which of the following items don’t belong to dock repair works?（）
If separating effect is not good, which measure should be taken （）